33331010020 has 96 divisors (see below), whose sum is σ = 88166695680. Its totient is φ = 10281738240.

The previous prime is 33331009991. The next prime is 33331010029. The reversal of 33331010020 is 2001013333.

It is a super-2 number, since 2×33331010020² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33331009976 and 33331010003.

It is not an unprimeable number, because it can be changed into a prime (33331010029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37816 + ... + 260944.

It is an arithmetic number, because the mean of its divisors is an integer number (918403080).

Almost surely, 2^33331010020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33331010020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44083347840).

33331010020 is an abundant number, since it is smaller than the sum of its proper divisors (54835685660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33331010020 is a wasteful number, since it uses less digits than its factorization.

33331010020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223253 (or 223251 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 16.

Adding to 33331010020 its reverse (2001013333), we get a palindrome (35332023353).

The spelling of 33331010020 in words is "thirty-three billion, three hundred thirty-one million, ten thousand, twenty".